Brachialis muscle

Changed by Henry Knipe, 1 Jul 2018

Updates to Article Attributes

Body was changed:

The brachialis muscle (brachialis) is one of the three muscles of the anterior compartment of the arm.  ItIt is only involved in flexion at the elbow and therefore the strongest flexor at the elbow, compared with the biceps brachii which is also involved in supination because of its insertion on the radius.

Summary

Variant anatomy

Although rare, supernumerary heads of brachialis have been reported and may cause entrapment of the median nerve and/or brachial artery3.

  • -<p>The <strong>brachialis muscle</strong> (<strong>brachialis</strong>) is one of the three muscles of the <a href="/articles/anterior-compartment-of-the-arm">anterior compartment of the arm</a>.  It is only involved in flexion at the elbow and therefore the strongest flexor at the elbow, compared with the <a href="/articles/biceps-brachii">biceps brachii</a> which is also involved in supination because of its insertion on the radius.</p><h4>Summary</h4><ul>
  • +<p>The <strong>brachialis muscle</strong> (<strong>brachialis</strong>) is one of the three muscles of the <a href="/articles/anterior-compartment-of-the-arm">anterior compartment of the arm</a>. It is only involved in flexion at the elbow and therefore the strongest flexor at the elbow, compared with the <a href="/articles/biceps-brachii">biceps brachii</a> which is also involved in supination because of its insertion on the radius.</p><h4>Summary</h4><ul>
  • -</ul><p> </p><h4>Variant anatomy</h4><p>Although rare, supernumerary heads of brachialis have been reported and may cause entrapment of the median nerve and/or brachial artery<sup>3</sup>.</p>
  • +</ul><p> </p><h4>Variant anatomy</h4><p>Although rare, supernumerary heads of brachialis have been reported and may cause entrapment of the <a title="Median nerve" href="/articles/median-nerve-2">median nerve</a> and/or <a title="Brachial artery" href="/articles/brachial-artery">brachial artery</a> <sup>3</sup>.</p>

ADVERTISEMENT: Supporters see fewer/no ads

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.